package com.itheima.reggie.controller;

import com.baomidou.mybatisplus.core.conditions.query.LambdaQueryWrapper;
import com.baomidou.mybatisplus.extension.plugins.pagination.Page;
import com.itheima.reggie.common.R;
import com.itheima.reggie.entity.Employee;
import com.itheima.reggie.service.EmployeeService;
import lombok.Data;
import lombok.extern.slf4j.Slf4j;
import org.apache.commons.lang.StringUtils;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.util.DigestUtils;

import org.springframework.web.bind.annotation.*;

import javax.servlet.http.HttpServletRequest;
import java.time.LocalDateTime;

/**
 * @author chm
 * @version 1.0.0 v
 * @date 2022-08-13 21:37
 */
@Slf4j
@RestController
@RequestMapping("/employee")

public class EmployeeController {
    @Autowired
    private EmployeeService employeeService;

    @PostMapping("/login")
    public R<Employee> login(HttpServletRequest request, @RequestBody Employee employee){
        //把密码进行加密
        String password = employee.getPassword();
        password=DigestUtils.md5DigestAsHex(password.getBytes());

        //用户名查询数据库
        LambdaQueryWrapper<Employee>queryWrapper= new LambdaQueryWrapper<>();
        queryWrapper.eq(Employee::getUsername,employee.getUsername());
        Employee emp=employeeService.getOne(queryWrapper);

        //防止失败
        if (emp==null){
            return R.error("失败了");
        }
        //再次确定密码是否正确
        if (!emp.getPassword().equals(password)){
            return R.error("输入密码是错的，登录失败");
        }
        //查找其他原因，查看员工状态
        if (emp.getStatus()==0){
            return R.error("账号已失效");
        }
        //如果登录成功了，显示用户名和id
        request.getSession().setAttribute("employee",emp.getId());

        return R.success(emp);
    }

    @PostMapping("/logout")
    public R<String> logout(HttpServletRequest request){
        request.getSession().removeAttribute("employee");
        return R.success("退出成功");
    }

    @PostMapping
    public R<String> save(HttpServletRequest request,@RequestBody Employee employee){
        log.info("员工消息",employee.toString());
        //设置员工密码，加密
        employee.setPassword(DigestUtils.md5DigestAsHex("123456".getBytes()));

       // employee.setCreateTime(LocalDateTime.now());
     //   employee.setUpdateTime(LocalDateTime.now());

        //Long empId=(Long) request.getSession().getAttribute("employee");

       // employee.setCreateUser(empId);
        //employee.setUpdateUser(empId);

        employeeService.save(employee);

        return R.success("新增员工成功");
    }
    @GetMapping("/page")
    public R<Page>page(int page,int pageSize,String name){
        log.info("page:{},pagesize:{},name:{}",page,pageSize,name);
        Page pageinfo =new Page(page,pageSize);
        LambdaQueryWrapper<Employee>queryWrapper=new LambdaQueryWrapper<>();

        queryWrapper.like(StringUtils.isNotEmpty(name),Employee::getName,name);
        queryWrapper.orderByDesc(Employee::getUpdateTime);
        employeeService.page(pageinfo,queryWrapper);
        return R.success(pageinfo);
    }

    @PutMapping
    public R<String> update(HttpServletRequest request,@RequestBody Employee employee){

        log.info(employee.toString());

        long id = Thread.currentThread().getId();
        log.info("id是{}",id);

        //   Long empId=(Long)request.getSession().getAttribute("employee");

      // employee.setUpdateTime(LocalDateTime.now());
      //  employee.setUpdateUser(empId);

        employeeService.updateById(employee);

        return R.success("修改成功");
    }
    @GetMapping("/{id}")
    public R<Employee> getById(@PathVariable Long id){
        log.info("查询信息");
        Employee employee = employeeService.getById(id);
        if (employee!=null){
            return R.success(employee);
        }
        return R.error("查询失败");

    }
    //删除员工
    @DeleteMapping
    public R<String> delete(@RequestBody Employee employee){
        log.info("删除信息",employee.toString());
        employeeService.removeById(employee.getId());
        return R.success("删除成功");
    }
}

